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/*
* Copyright 2012-15 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
/**
* This file defines helper functions provided by the Display Manager to
* Display Core.
*/
#ifndef __DM_HELPERS__
#define __DM_HELPERS__
#include "dc_types.h"
#include "dc.h"
struct dp_mst_stream_allocation_table;
/*
* Allocate memory accessible by the GPU
*
* frame buffer allocations must be aligned to a 4096-byte boundary
*
* Returns virtual address, sets addr to physical address
*/
void *dm_helpers_allocate_gpu_mem(
struct dc_context *ctx,
enum dc_gpu_mem_alloc_type type,
size_t size,
long long *addr);
/*
* Free the GPU-accessible memory at the virtual address pvMem
*/
void dm_helpers_free_gpu_mem(
struct dc_context *ctx,
enum dc_gpu_mem_alloc_type type,
void *pvMem);
enum dc_edid_status dm_helpers_parse_edid_caps(
struct dc_context *ctx,
const struct dc_edid *edid,
struct dc_edid_caps *edid_caps);
/*
* Update DP branch info
*/
void dm_helpers_dp_update_branch_info(
struct dc_context *ctx,
const struct dc_link *link);
/*
* Writes payload allocation table in immediate downstream device.
*/
bool dm_helpers_dp_mst_write_payload_allocation_table(
struct dc_context *ctx,
const struct dc_stream_state *stream,
struct dp_mst_stream_allocation_table *proposed_table,
bool enable);
/*
* poll pending down reply
*/
void dm_helpers_dp_mst_poll_pending_down_reply(
struct dc_context *ctx,
const struct dc_link *link);
/*
* Clear payload allocation table before enable MST DP link.
*/
void dm_helpers_dp_mst_clear_payload_allocation_table(
struct dc_context *ctx,
const struct dc_link *link);
/*
* Polls for ACT (allocation change trigger) handled and
*/
enum act_return_status dm_helpers_dp_mst_poll_for_allocation_change_trigger(
struct dc_context *ctx,
const struct dc_stream_state *stream);
/*
* Sends ALLOCATE_PAYLOAD message.
*/
bool dm_helpers_dp_mst_send_payload_allocation(
struct dc_context *ctx,
const struct dc_stream_state *stream,
bool enable);
bool dm_helpers_dp_mst_start_top_mgr(
struct dc_context *ctx,
const struct dc_link *link,
bool boot);
void dm_helpers_dp_mst_stop_top_mgr(
struct dc_context *ctx,
struct dc_link *link);
/**
* OS specific aux read callback.
*/
bool dm_helpers_dp_read_dpcd(
struct dc_context *ctx,
const struct dc_link *link,
uint32_t address,
uint8_t *data,
uint32_t size);
/**
* OS specific aux write callback.
*/
bool dm_helpers_dp_write_dpcd(
struct dc_context *ctx,
const struct dc_link *link,
uint32_t address,
const uint8_t *data,
uint32_t size);
bool dm_helpers_submit_i2c(
struct dc_context *ctx,
const struct dc_link *link,
struct i2c_command *cmd);
bool dm_helpers_dp_write_dsc_enable(
struct dc_context *ctx,
const struct dc_stream_state *stream,
bool enable
);
bool dm_helpers_is_dp_sink_present(
struct dc_link *link);
enum dc_edid_status dm_helpers_read_local_edid(
struct dc_context *ctx,
struct dc_link *link,
struct dc_sink *sink);
void dm_set_dcn_clocks(
struct dc_context *ctx,
struct dc_clocks *clks);
#endif /* __DM_HELPERS__ */
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